CCS assembly for front and rear modules and battery pack

Abstract

The utility model discloses a CCS assembly for a front module and a rear module and a battery pack. The CCS assembly comprises two insulation plastic uptake supports, a negative electrode output aluminum bar and a positive electrode output aluminum bar are arranged at the front end and the rear end of each insulation plastic uptake support respectively, and a plurality of aluminum bars connected in series are further arranged in the middle of each insulation plastic uptake support. The CCS assembly further comprises a temperature and voltage patch cord, and the two ends of the temperature and voltage patch cord are connected with the front temperature and voltage acquisition line and the rear temperature and voltage acquisition line through plug-ins respectively. One end of the front temperature and voltage acquisition line and one end of the rear temperature and voltage acquisition line are respectively provided with a plurality of temperature nickel sheet terminals and a plurality of voltage nickel sheet terminals, and the temperature nickel sheet terminals and the voltage nickel sheet terminals are fixed on the series aluminum bar, the cathode output aluminum bar and the anode output aluminum bar. The battery pack comprises a battery cell, a battery pack shell and the CCS assembly, and the two groups of battery cells are respectively provided with an insulating plastic uptake bracket. According to the utility model, super-long welding equipment does not need to be purchased, and the batch production efficiency and quality of batteries can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to new energy battery box technical field especially relates to a front and rear double module CCS assembly and battery pack. BACKGROUND

[0002] In the field of energy storage systems, the Cell Connection System (CCS) technology is playing an indispensable role. This technology optimizes the electrical connection structure within the battery module, significantly improving the safety and overall performance of the battery module. Through meticulous design and efficient connection, CCS technology not only helps to extend the service life of the battery, but also reduces the frequency and cost of maintenance, providing strong support for the reliability and economy of energy storage containers. Through efficient energy transmission and intelligent charging management, CCS technology ensures the stable operation of the battery module in the energy storage system, and significantly improves the efficiency and stability of the entire system. This makes the energy storage system better cope with various energy demands, providing solid technical support for the continuous supply of energy and the stable operation of the power grid.

[0003] Super large modules in the field of energy storage are currently widely concerned, but CCS technology for super long modules has not been widely used due to the length limitation of welding equipment. Therefore, it is urgent to propose a CCS assembly and battery pack for front and rear double modules. SUMMARY

[0004] The utility model discloses in order to solve above-mentioned technical problem, and provide a kind of CCS assembly and battery pack for front and rear double modules, the CCS assembly greatly reduces the welding equipment demand needed for production welding super long module, to also reduce production investment, speed up production rhythm, reduce production cost.

[0005] In the first aspect, the utility model provides a kind of CCS assembly for front and rear double modules, and is realized according to the following technical scheme.

[0006] A kind of CCS assembly for front and rear double modules, including two insulation blister supports, negative output aluminum bar and positive output aluminum bar are respectively arranged at the front and rear ends of insulation blister support, a plurality of series aluminum bars are further arranged at the middle part of insulation blister support;The CCS assembly further includes temperature-voltage adapter wire, and the two ends of temperature-voltage adapter wire are respectively connected with front temperature-voltage acquisition line and rear temperature-voltage acquisition line by plug-in;The front temperature-voltage acquisition line, rear temperature-voltage acquisition line one end are respectively equipped with a plurality of temperature nickel sheet terminals and voltage nickel sheet terminals, and temperature nickel sheet terminals and voltage nickel sheet terminals are fixed on series aluminum bar, negative output aluminum bar and positive output aluminum bar.

[0007] Furthermore, an installation groove is formed on the insulating blister bracket, and an insulating blister bracket is provided in the installation groove to fix the aluminum bar pillar. The series aluminum bar, negative output aluminum bar and positive output aluminum bar are installed in the installation groove and fixed by hot melting the aluminum bar and the pillar.

[0008] Furthermore, the insulating blister bracket is provided with a plurality of tie holes, and the tie straps pass through the tie holes and are tied to the front temperature and voltage acquisition line, the rear temperature and voltage acquisition line and the temperature and voltage transfer line.

[0009] Furthermore, the ends of the negative electrode output aluminum bar and the positive electrode output aluminum bar protrude outside the insulating blister bracket.

[0010] Furthermore, the negative output aluminum bar and the positive output aluminum bar are both provided with a temperature nickel sheet terminal and a voltage nickel sheet terminal; the series aluminum bars are both provided with a voltage nickel sheet terminal, and some series aluminum bars are provided with a temperature nickel sheet terminal.

[0011] In a second aspect, the present invention provides a battery pack, which is implemented according to the following technical solutions.

[0012] A battery pack comprises a battery cell, a battery pack shell and the above-mentioned CCS assembly; the battery cells are arranged in two groups, and insulating blister brackets are respectively provided on the two groups of battery cells.

[0013] Furthermore, the battery cell is composed of a plurality of battery cells arranged in sequence, and the battery cell is placed in a battery pack shell.

[0014] The advantages and beneficial effects of the utility model are:

[0015] (1) During the assembly of the CCS, multiple aluminum bars in series, two positive output aluminum bars, and two negative output aluminum bars are installed through the insulating plastic support pillars and fixed to the pillars by hot melting, which greatly improves the positioning accuracy of the aluminum bars and improves production efficiency;

[0016] (2) The voltage nickel sheet terminal and the temperature nickel sheet terminal of the utility model are electrically connected to the aluminum bar by welding, which improves production efficiency, reduces assembly costs, can be mass-produced, and increases the fixing stability of the collection terminal;

[0017] (3) The rear voltage and temperature acquisition line of the utility model is plugged into the temperature and voltage adapter line through a plug-in pair, which helps to disassemble the front and rear modules and weld the battery and aluminum bar separately during mass production of the modules. There is no need to purchase extra-long welding equipment, which improves the efficiency and quality of mass production and greatly reduces costs.

[0018] (4) The positive and negative output aluminum bars of the utility model are designed to be extended, which is convenient for installing copper bars;

[0019] (5) The utility model discloses the acquisition wire harness scheme, and the cost is lower than FPC scheme. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the structural schematic diagram of the utility model;

[0021] Figure 2 It is the structural schematic diagram of the utility model's insulation blister support;

[0022] Figure 3 It is the schematic diagram that temperature nickel piece terminal, voltage nickel piece terminal mounting position are intended to embody the utility model;

[0023] Figure 4 It is the structural schematic diagram of the utility model's series aluminum bar;

[0024] Figure 5 It is the structural schematic diagram of the utility model's negative output aluminum bar;

[0025] Figure 6 It is the structural schematic diagram of the utility model's positive output aluminum bar;

[0026] Figure 7 It is the schematic diagram of the utility model's rear temperature voltage acquisition wire and temperature voltage adapter wire pair.

[0027] Figure 8 It is the structural schematic diagram that the utility model's binding tape hole and binding tape are intended to embody.

[0028] Wherein, 1 - front temperature voltage acquisition wire;2 - series aluminum bar;3 - insulation blister support;31 - binding tape hole;32 - binding binding tape;4 - positive output aluminum bar;5 - rear temperature voltage acquisition wire;6 - temperature voltage adapter wire;7 - battery pack shell;8 - negative output aluminum bar;9 - insulation blister support fixed aluminum bar pillar;10 - temperature nickel piece terminal;11 - voltage nickel piece terminal;12 - series aluminum bar and insulation blister support pillar fixed hole;13 - negative aluminum bar and insulation blister support pillar fixed hole;14 - positive aluminum bar and insulation blister support pillar fixed hole;15 - electric core. DETAILED DESCRIPTION

[0029] The utility model will be explained in detail below in combination with the drawings and examples.

[0030] As Figures 1-8 Shown, the application provides a kind of front and rear double module CCS assembly and battery pack, CCS assembly includes two insulation blister supports 3, multiple series aluminum bars 2, two positive output aluminum bars 4, two negative output aluminum bars 8, front temperature voltage acquisition wire 1, rear temperature voltage acquisition wire 5 and temperature voltage adapter wire 6.

[0031] The battery pack comprises a battery shell 7, a CCS assembly and a battery cell 15, a plurality of battery cell monomers are sequentially arranged to form the battery cell 15, the battery cell 15 is provided in two groups and is arranged in the battery shell 7, and the upper parts of the two groups of battery cells 15 are respectively fixed with an insulating blister support 3.

[0032] The series aluminum bars 2, the positive electrode output aluminum bars 4 and the negative electrode output aluminum bars 8 are all produced in a punching mode, the aluminum bars are provided with a sink for welding and a hole for fixing the aluminum bar support 9 for hot melting, that is, the series aluminum bar is formed with a series aluminum bar and insulating blister support support hole 12 on the series aluminum bar 2, the positive electrode aluminum bar and insulating blister support support hole 14 is formed on the positive electrode output aluminum bar 4, and the negative electrode aluminum bar and insulating blister support support hole 13 is formed on the negative electrode output aluminum bar 8. The aluminum bar of the application is produced in a punching mode, the cutting speed is fast, the mold cooling time is saved, and mass production is more beneficial.

[0033] A plurality of installation grooves are designed on the insulating blister support 3, the layout of the installation grooves is extended according to the arrangement order of the plurality of battery cell monomers. The insulating blister support fixing aluminum bar support 9 is arranged in the installation groove, and the insulating blister support fixing aluminum bar support 9 plays a fixing and supporting role when the plurality of series aluminum bars 2, the two positive electrode output aluminum bars 4 and the two negative electrode output aluminum bars 8 are installed. After the protruding support is hot melted, the plurality of series aluminum bars 2, the two positive electrode output aluminum bars 4 and the two negative electrode output aluminum bars 8 are fixed, so that the assembly of the plurality of series aluminum bars 2, the two positive electrode output aluminum bars 4 and the two negative electrode output aluminum bars 8 is realized.

[0034] The front temperature voltage collection line 1 and the rear temperature voltage collection line 5 are respectively located above the two insulating blister supports 3, and one end of each of the front temperature voltage collection line 1 and the rear temperature voltage collection line 5 is provided with a plurality of temperature nickel sheet terminals 10 and voltage nickel sheet terminals 11, the temperature nickel sheet terminals 10 and the voltage nickel sheet terminals 11 are arranged on the side of the insulating blister support 3 away from the battery pack, and the temperature nickel sheet terminals 10 and the voltage nickel sheet terminals 11 are welded on the upper surfaces of the series aluminum bars 2, the positive electrode output aluminum bars 4 and the negative electrode output aluminum bars 8. Specifically, the two negative electrode output aluminum bars 8 and the two positive electrode output aluminum bars 4 are each provided with the temperature nickel sheet terminals 10 and the voltage nickel sheet terminals 11; the series aluminum bars 2 are each provided with the voltage nickel sheet terminals 11, and the individual series aluminum bars 2 are provided with the temperature nickel sheet terminals 10. The welding process of the application is simple and has high strength, can withstand the expansion force and heat when the battery cell 15 is in thermal runaway, will not damage the collection function, and provides certain technical support for subsequent accident judgment of the battery cell. The front temperature voltage collection line 1 and the rear temperature voltage collection line 5 are used for collecting voltage temperature information.

[0035] The front end of the temperature-voltage adapter cable 6 is connected to the front temperature-voltage acquisition cable 1 through a plug-in, and the rear end of the temperature-voltage adapter cable 6 and the rear temperature-voltage acquisition cable 5 are inserted between the front and rear battery packs through a plug-in. This connection method saves time and effort, and ensures good communication. It avoids the need to purchase extra-long module welding equipment, and can be arbitrarily matched with different front and rear modules, with strong compatibility and scalability.

[0036] A plurality of tie holes 31 are provided on the two insulating blister brackets 3 , and the tie straps 32 pass through the tie holes 31 and tie the front temperature and voltage acquisition line 1 , the rear temperature and voltage acquisition line 5 and the temperature and voltage transfer line 6 .

[0037] The applicant declares that the above is only a specific implementation method of the present invention, but the protection scope of the present invention is not limited thereto. Technicians in the relevant technical field should understand that any changes or substitutions that can be easily thought of by technicians in the relevant technical field within the technical scope disclosed in the present invention fall within the protection scope and disclosure scope of the present invention.

Claims

1. A CCS assembly for front and rear dual modules, characterized by: The invention comprises two insulating plastic blister brackets (3), wherein a negative output aluminum bar (8) and a positive output aluminum bar (4) are respectively provided at the front and rear ends of the insulating plastic blister brackets (3), and a plurality of series-connected aluminum bars (2) are further provided in the middle of the insulating plastic blister brackets (3); the CCS assembly further comprises a temperature-voltage transfer line (6), wherein the two ends of the temperature-voltage transfer line (6) are respectively connected to a front temperature-voltage acquisition line (1) and a rear temperature-voltage acquisition line (5) through plug-ins; and one end of each of the front temperature-voltage acquisition line (1) and the rear temperature-voltage acquisition line (5) is provided with a plurality of temperature nickel sheet terminals (10) and voltage nickel sheet terminals (11), and the temperature nickel sheet terminals (10) and the voltage nickel sheet terminals (11) are fixed to the series-connected aluminum bars (2), the negative output aluminum bar (8) and the positive output aluminum bar (4).

2. The CCS assembly for front and rear dual modules according to claim 1, characterized in that: An installation groove is formed on the insulating blister bracket (3), and an insulating blister bracket fixing aluminum bar pillar (9) is provided in the installation groove. The series aluminum bar (2), the negative output aluminum bar (8) and the positive output aluminum bar (4) are installed in the installation groove and fixed by hot melting of the aluminum bar and the pillar.

3. The CCS assembly for front and rear dual modules according to claim 1, characterized in that: The insulating plastic blister bracket (3) is provided with a plurality of tie holes (31), and the tie straps (32) pass through the tie holes (31) and are tied to the front temperature and voltage acquisition line (1), the rear temperature and voltage acquisition line (5) and the temperature and voltage transfer line (6).

4. The CCS assembly for front and rear dual modules according to claim 1, characterized in that: The ends of the negative electrode output aluminum bar (8) and the positive electrode output aluminum bar (4) protrude outside the insulating blister bracket (3).

5. The CCS assembly for front and rear dual modules according to claim 1, characterized in that: The negative output aluminum bar (8) and the positive output aluminum bar (4) are both provided with a temperature nickel sheet terminal (10) and a voltage nickel sheet terminal (11); the series aluminum bars (2) are both provided with a voltage nickel sheet terminal (11), and some series aluminum bars (2) are provided with a temperature nickel sheet terminal (10).

6. A battery pack, characterized in that: The invention comprises a battery cell (15), a battery pack shell (7) and a CCS assembly according to any one of claims 1 to 5; the battery cells (15) are arranged in two groups, and insulating blister brackets (3) are respectively arranged on the two groups of battery cells (15).

7. The battery pack according to claim 6, characterized in that: The battery core (15) is composed of a plurality of battery core monomers arranged in sequence, and the battery core (15) is placed in the battery pack housing (7).

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